---
title: AppointmentItem.OutlookInternalVersion Property (Outlook)
keywords: vbaol11.chm860
f1_keywords:
- vbaol11.chm860
ms.prod: outlook
api_name:
- Outlook.AppointmentItem.OutlookInternalVersion
ms.assetid: 2c7777c1-8195-db3e-0ca6-c2eeeb42f23c
ms.date: 06/08/2017
---


# AppointmentItem.OutlookInternalVersion Property (Outlook)

Returns a  **Long** representing the build number of the Outlook application for an Outlook item. Read-only.


## Syntax

 _expression_ . **OutlookInternalVersion**

 _expression_ A variable that represents an **AppointmentItem** object.


## See also


#### Concepts


[AppointmentItem Object](appointmentitem-object-outlook.md)

